Company lists · Data refreshed November 2026
Top 25 O1 visa lawyers worldwide
RevenueBase identified 977 company matches for o1 visa lawyers worldwide as of November 2026 and tracks 8,701 professional contacts across them, including 3,663 with verified work emails. The United States is the largest market and New York the largest hub.
This list covers company matches for o1 visa lawyers worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 6, 2026. Country and city lists for o1 visa lawyers follow the table.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest o1 visa lawyers worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,250 contacts → | ||||
Exact match “BAL is a corporate immigration law firm that powers human achievement through immigration expertise, people-centered client services and innovative technology.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 475 contacts → | ||||
Exact match “At Colombo & Hurd, we help professionals, founders, and investors build their future in the United States.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 251 contacts → | ||||
Exact match “Ellis Porter is the only immigration law firm that combines the personal touch of a solo practitioner with the experience and operational excellence of a big law firm.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 218 contacts → | ||||
Exact match “At EB1A Experts, we help tech professionals develop a strong evidence strategy and a clear personal narrative for different kinds of visas, including EB1A, O1A, and EB2-NIW that…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 147 contacts → | ||||
Exact match “Foster is a leading global immigration law firm dedicated to helping employers and individuals obtain nonimmigrant and immigrant work visas and permanent resident options…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 129 contacts → | ||||
Exact match “Manifest Law is a modern immigration law firm with handpicked attorneys powered by cutting-edge software.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 123 contacts → | ||||
Exact match “Klasko Immigration Law Partners, LLP is nationally renowned for providing creative solutions to many of the most complex issues in immigration law to multinational corporations…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 62 contacts → | ||||
Exact match “At Immigration Law Group, we specialize in providing comprehensive business immigration legal services to high-volume corporate clients, start-up ventures, small businesses, and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 61 contacts → | ||||
Exact match “We place a high value on trust.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 57 contacts → | ||||
Exact match “60+ Multilingual professionals helping global clients secure their future in the U.S.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 56 contacts → | ||||
Exact match “Maggio Kattar has been recognized as one of the top Immigration Law firms in the U.S.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 52 contacts → | ||||
Exact match “Pabian Law, LLC™ is a national immigration law firm that specializes in representing organizations in the technology, hospitality, and sports industries.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 52 contacts → | ||||
Exact match “Global Immigration Partners (GIP) is a family-owned, boutique law firm practicing exclusively in immigration law with expertise in business immigration, individual and family…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 52 contacts → | ||||
Exact match “Our firm is dedicated to handling immigration law matters.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 50 contacts → | ||||
Exact match “Founded in 1997, Garfinkel Immigration Law Firm is one of the largest immigration firms in the Carolinas.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 49 contacts → | ||||
Exact match “Reeves Immigration Law Group is known for extraordinary commitment to clients and is devoted exclusively to the practice of U.S.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 46 contacts → | ||||
Exact match “Ajuria Lawyers is widely regarded as one of Australia's leading specialist immigration law practices.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 46 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 41 contacts → | ||||
Exact match “When facing a legal dispute or needing legal advocacy, it can be difficult to know where to turn.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 40 contacts → | ||||
Exact match “The attorneys at Farmer Law PC are adept at navigating every facet of immigration law.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 39 contacts → | ||||
Exact match “The Sapochnick Law Firm is a firm wholly dedicated to US and Global immigration law and the highest personal and ethical standard of client service.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 38 contacts → | ||||
Exact match “At Zulkie Partners, we are dedicated to protecting the talent that propels your business.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 37 contacts → | ||||
Exact match “IMMIGRATION IS A MAZE.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 37 contacts → | ||||
Exact match “At Kriezelman Burton & Associates, LLC, we are committed to providing aggressive and professional legal representation and counsel in all areas of immigration and nationality law.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 37 contacts → | ||||
Exact match “We practice US immigration law with focus on employment-based immigration, complex immigration issues and related federal litigation.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “o1 visa lawyers”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 977 o1 visa lawyers worldwide
See the full list, filter by size, metro and specialty, and access 3,663 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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O1 visa lawyers worldwide at a glance
As of Nov 6, 2026Companies by employee count
Email recency is reported on each country list linked below.
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- Coverage
- Every country. Country and city lists for o1 visa lawyers are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “o1 visa lawyers” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every displayed company carries at least one verified work email. RevenueBase tracks 3,663 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on November 6, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
O1 visa lawyers by location
5 lists · largest firstEvery O1 visa lawyers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Cities
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “o1 visa lawyers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many o1 visa lawyers are there worldwide?
RevenueBase identified 977 company matches for o1 visa lawyers worldwide as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
BAL tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most o1 visa lawyers?
The United States leads with 734 companies, followed by the United Kingdom (26). Every o1 visa lawyers list by country and city is linked on this page.
Which city has the most o1 visa lawyers?
New York leads with 77 company records, followed by Miami (28) and Los Angeles (27).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 3,663 professional contacts with verified work emails tracked across these 977 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 6, 2026.
Ready to reach these companies? Verified emails and direct dials for all 977 o1 visa lawyers worldwide. Start with a free account, no credit card.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
More company lists
Company intelligence · public preview
Top 25 o1 visa lawyers worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 977 matching company records for o1 visa lawyers worldwide, with 8,701 tracked contacts and 3,663 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 o1 visa lawyers worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  BALbal.comHQ: Richardson, TX, United StatesReported employees: 1,001-5,000 | Richardson, TX, United States | 1,001-5,000 | Exact match | 1,250 contacts → |
“BAL is a corporate immigration law firm that powers human achievement through immigration expertise, people-centered client services and innovative technology.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Colombo & Hurdcolombohurdlaw.comHQ: Orlando, FL, United StatesReported employees: 201-500 | Orlando, FL, United States | 201-500 | Exact match | 475 contacts → |
“At Colombo & Hurd, we help professionals, founders, and investors build their future in the United States.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Ellis Porterellisporter.comHQ: Troy, MI, United StatesReported employees: 201-500 | Troy, MI, United States | 201-500 | Exact match | 251 contacts → |
“Ellis Porter is the only immigration law firm that combines the personal touch of a solo practitioner with the experience and operational excellence of a big law firm.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Eb1a Expertseb1aexperts.comHQ: San Francisco, CA, United StatesReported employees: 201-500 | San Francisco, CA, United States | 201-500 | Exact match | 218 contacts → |
“At EB1A Experts, we help tech professionals develop a strong evidence strategy and a clear personal narrative for different kinds of visas, including EB1A, O1A, and EB2-NIW that…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Foster LLPfosterglobal.comHQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 147 contacts → |
“Foster is a leading global immigration law firm dedicated to helping employers and individuals obtain nonimmigrant and immigrant work visas and permanent resident options…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Manifest LAWmanifestlaw.comHQ: New York, NY, United StatesReported employees: 11-50 | New York, NY, United States | 11-50 | Exact match | 129 contacts → |
“Manifest Law is a modern immigration law firm with handpicked attorneys powered by cutting-edge software.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Klasko Immigration LAW Partners, LLPklaskolaw.comHQ: Philadelphia, DC, United StatesReported employees: 51-200 | Philadelphia, DC, United States | 51-200 | Exact match | 123 contacts → |
“Klasko Immigration Law Partners, LLP is nationally renowned for providing creative solutions to many of the most complex issues in immigration law to multinational corporations…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Immigration LAW Group LLPimmigrationlawgroup.netHQ: San Jose, CA, United StatesReported employees: 11-50 | San Jose, CA, United States | 11-50 | Exact match | 62 contacts → |
“At Immigration Law Group, we specialize in providing comprehensive business immigration legal services to high-volume corporate clients, start-up ventures, small businesses, and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Apical Immigrationimmigrationxperts.inHQ: Delhi-ncr, IndiaReported employees: 51-200 | Delhi-ncr, India | 51-200 | Exact match | 61 contacts → |
“We place a high value on trust.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Loigicaloigica.comHQ: Miami, FL, United StatesReported employees: 51-200 | Miami, FL, United States | 51-200 | Exact match | 57 contacts → |
“60+ Multilingual professionals helping global clients secure their future in the U.S.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Maggio Kattar Nahajzer Alexander PCmaggio-kattar.comHQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 56 contacts → |
“Maggio Kattar has been recognized as one of the top Immigration Law firms in the U.S.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Pabian Law, LLCpabianlaw.comHQ: Framingham, MA, United StatesReported employees: 11-50 | Framingham, MA, United States | 11-50 | Exact match | 52 contacts → |
“Pabian Law, LLC™ is a national immigration law firm that specializes in representing organizations in the technology, hospitality, and sports industries.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Global Immigration Partnersgip-us.comHQ: Agoura Hills, CA, United StatesReported employees: 51-200 | Agoura Hills, CA, United States | 51-200 | Exact match | 52 contacts → |
“Global Immigration Partners (GIP) is a family-owned, boutique law firm practicing exclusively in immigration law with expertise in business immigration, individual and family…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Immigration LAW Pllcimmigrationlawpllc.comHQ: Ann Arbor, MI, United StatesReported employees: Not recorded | Ann Arbor, MI, United States | Not recorded | Exact match | 52 contacts → |
“Our firm is dedicated to handling immigration law matters.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Garfinkel Immigration LAW Firmgarfinkelimmigration.comHQ: Charlotte, NC, United StatesReported employees: 11-50 | Charlotte, NC, United States | 11-50 | Exact match | 50 contacts → |
“Founded in 1997, Garfinkel Immigration Law Firm is one of the largest immigration firms in the Carolinas.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Reeves Immigration LAW Groupreevesimmigration.comHQ: Pasadena, CA, United StatesReported employees: 51-200 | Pasadena, CA, United States | 51-200 | Exact match | 49 contacts → |
“Reeves Immigration Law Group is known for extraordinary commitment to clients and is devoted exclusively to the practice of U.S.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Ajuria Lawyersajurialawyers.comHQ: Sydney, AustraliaReported employees: 11-50 | Sydney, Australia | 11-50 | Exact match | 46 contacts → |
“Ajuria Lawyers is widely regarded as one of Australia's leading specialist immigration law practices.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Carnegie Worldwide Services PVT LTDthomasvallen.comHQ: United StatesReported employees: 51-200 | United States | 51-200 | Exact match | 46 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 19 |  Gonzales Gonzales & Gonzales Immigration LAW Officesjgonzaleslaw.comHQ: Portland, OR, United StatesReported employees: 11-50 | Portland, OR, United States | 11-50 | Exact match | 41 contacts → |
“When facing a legal dispute or needing legal advocacy, it can be difficult to know where to turn.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Farmer LAW PCfarmerlawpc.comHQ: Austin, TX, United StatesReported employees: 11-50 | Austin, TX, United States | 11-50 | Exact match | 40 contacts → |
“The attorneys at Farmer Law PC are adept at navigating every facet of immigration law.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Sapochnick LAW Firmh1b.bizHQ: San Diego, CA, United StatesReported employees: 11-50 | San Diego, CA, United States | 11-50 | Exact match | 39 contacts → |
“The Sapochnick Law Firm is a firm wholly dedicated to US and Global immigration law and the highest personal and ethical standard of client service.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Zulkie Partners LLCzulkiepartners.comHQ: Chicago, IL, United StatesReported employees: 11-50 | Chicago, IL, United States | 11-50 | Exact match | 38 contacts → |
“At Zulkie Partners, we are dedicated to protecting the talent that propels your business.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Antonini & Cohen Immigration LAW Groupantoniniandcohen.comHQ: Atlanta, GA, United StatesReported employees: 11-50 | Atlanta, GA, United States | 11-50 | Exact match | 37 contacts → |
“IMMIGRATION IS A MAZE.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Kriezelman, Burton & Associates, LLCkrilaw.comHQ: United StatesReported employees: 11-50 | United States | 11-50 | Exact match | 37 contacts → |
“At Kriezelman Burton & Associates, LLC, we are committed to providing aggressive and professional legal representation and counsel in all areas of immigration and nationality law.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  LAW Offices Of Rajiv S. Khanna, PCimmigration.comHQ: Arlington, VA, United StatesReported employees: 11-50 | Arlington, VA, United States | 11-50 | Exact match | 37 contacts → |
“We practice US immigration law with focus on employment-based immigration, complex immigration issues and related federal litigation.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 977 company matches
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O1 visa lawyers: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
968 records in the displayed employee bands.
9 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 977 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
O1 visa lawyers by location
5 lists · largest firstEvery O1 visa lawyers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Cities
Questions about this company list
What does Exact match mean for o1 visa lawyers?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many o1 visa lawyers did RevenueBase find worldwide?
The saved snapshot records 977 matching company records, 8,701 tracked contacts and 3,663 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 o1 visa lawyers worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/o1-visa-lawyers.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 25 o1 visa lawyers worldwide
RevenueBase records 977 matching company records for o1 visa lawyers worldwide, with 8,701 tracked contacts and 3,663 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 o1 visa lawyers worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | BALbal.com HQ: Richardson, TX, United StatesReported employees: 1,001-5,000 | Richardson, TX, United States | 1,001-5,000 | Exact match | 1,250 contacts → |
“BAL is a corporate immigration law firm that powers human achievement through immigration expertise, people-centered client services and innovative technology.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Colombo & Hurdcolombohurdlaw.com HQ: Orlando, FL, United StatesReported employees: 201-500 | Orlando, FL, United States | 201-500 | Exact match | 475 contacts → |
“At Colombo & Hurd, we help professionals, founders, and investors build their future in the United States.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Ellis Porterellisporter.com HQ: Troy, MI, United StatesReported employees: 201-500 | Troy, MI, United States | 201-500 | Exact match | 251 contacts → |
“Ellis Porter is the only immigration law firm that combines the personal touch of a solo practitioner with the experience and operational excellence of a big law firm.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Eb1a Expertseb1aexperts.com HQ: San Francisco, CA, United StatesReported employees: 201-500 | San Francisco, CA, United States | 201-500 | Exact match | 218 contacts → |
“At EB1A Experts, we help tech professionals develop a strong evidence strategy and a clear personal narrative for different kinds of visas, including EB1A, O1A, and EB2-NIW that…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Foster LLPfosterglobal.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 147 contacts → |
“Foster is a leading global immigration law firm dedicated to helping employers and individuals obtain nonimmigrant and immigrant work visas and permanent resident options…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Manifest LAWmanifestlaw.com HQ: New York, NY, United StatesReported employees: 11-50 | New York, NY, United States | 11-50 | Exact match | 129 contacts → |
“Manifest Law is a modern immigration law firm with handpicked attorneys powered by cutting-edge software.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Klasko Immigration LAW Partners, LLPklaskolaw.com HQ: Philadelphia, DC, United StatesReported employees: 51-200 | Philadelphia, DC, United States | 51-200 | Exact match | 123 contacts → |
“Klasko Immigration Law Partners, LLP is nationally renowned for providing creative solutions to many of the most complex issues in immigration law to multinational corporations…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Immigration LAW Group LLPimmigrationlawgroup.net HQ: San Jose, CA, United StatesReported employees: 11-50 | San Jose, CA, United States | 11-50 | Exact match | 62 contacts → |
“At Immigration Law Group, we specialize in providing comprehensive business immigration legal services to high-volume corporate clients, start-up ventures, small businesses, and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Apical Immigrationimmigrationxperts.in HQ: Delhi-ncr, IndiaReported employees: 51-200 | Delhi-ncr, India | 51-200 | Exact match | 61 contacts → |
“We place a high value on trust.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Loigicaloigica.com HQ: Miami, FL, United StatesReported employees: 51-200 | Miami, FL, United States | 51-200 | Exact match | 57 contacts → |
“60+ Multilingual professionals helping global clients secure their future in the U.S.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Maggio Kattar Nahajzer Alexander PCmaggio-kattar.com HQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 56 contacts → |
“Maggio Kattar has been recognized as one of the top Immigration Law firms in the U.S.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Pabian Law, LLCpabianlaw.com HQ: Framingham, MA, United StatesReported employees: 11-50 | Framingham, MA, United States | 11-50 | Exact match | 52 contacts → |
“Pabian Law, LLC™ is a national immigration law firm that specializes in representing organizations in the technology, hospitality, and sports industries.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Global Immigration Partnersgip-us.com HQ: Agoura Hills, CA, United StatesReported employees: 51-200 | Agoura Hills, CA, United States | 51-200 | Exact match | 52 contacts → |
“Global Immigration Partners (GIP) is a family-owned, boutique law firm practicing exclusively in immigration law with expertise in business immigration, individual and family…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Immigration LAW Pllcimmigrationlawpllc.com HQ: Ann Arbor, MI, United StatesReported employees: Not recorded | Ann Arbor, MI, United States | Not recorded | Exact match | 52 contacts → |
“Our firm is dedicated to handling immigration law matters.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Garfinkel Immigration LAW Firmgarfinkelimmigration.com HQ: Charlotte, NC, United StatesReported employees: 11-50 | Charlotte, NC, United States | 11-50 | Exact match | 50 contacts → |
“Founded in 1997, Garfinkel Immigration Law Firm is one of the largest immigration firms in the Carolinas.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Reeves Immigration LAW Groupreevesimmigration.com HQ: Pasadena, CA, United StatesReported employees: 51-200 | Pasadena, CA, United States | 51-200 | Exact match | 49 contacts → |
“Reeves Immigration Law Group is known for extraordinary commitment to clients and is devoted exclusively to the practice of U.S.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Ajuria Lawyersajurialawyers.com HQ: Sydney, AustraliaReported employees: 11-50 | Sydney, Australia | 11-50 | Exact match | 46 contacts → |
“Ajuria Lawyers is widely regarded as one of Australia's leading specialist immigration law practices.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Carnegie Worldwide Services PVT LTDthomasvallen.com HQ: United StatesReported employees: 51-200 | United States | 51-200 | Exact match | 46 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 19 | Gonzales Gonzales & Gonzales Immigration LAW Officesjgonzaleslaw.com HQ: Portland, OR, United StatesReported employees: 11-50 | Portland, OR, United States | 11-50 | Exact match | 41 contacts → |
“When facing a legal dispute or needing legal advocacy, it can be difficult to know where to turn.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Farmer LAW PCfarmerlawpc.com HQ: Austin, TX, United StatesReported employees: 11-50 | Austin, TX, United States | 11-50 | Exact match | 40 contacts → |
“The attorneys at Farmer Law PC are adept at navigating every facet of immigration law.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Sapochnick LAW Firmh1b.biz HQ: San Diego, CA, United StatesReported employees: 11-50 | San Diego, CA, United States | 11-50 | Exact match | 39 contacts → |
“The Sapochnick Law Firm is a firm wholly dedicated to US and Global immigration law and the highest personal and ethical standard of client service.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Zulkie Partners LLCzulkiepartners.com HQ: Chicago, IL, United StatesReported employees: 11-50 | Chicago, IL, United States | 11-50 | Exact match | 38 contacts → |
“At Zulkie Partners, we are dedicated to protecting the talent that propels your business.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Antonini & Cohen Immigration LAW Groupantoniniandcohen.com HQ: Atlanta, GA, United StatesReported employees: 11-50 | Atlanta, GA, United States | 11-50 | Exact match | 37 contacts → |
“IMMIGRATION IS A MAZE.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Kriezelman, Burton & Associates, LLCkrilaw.com HQ: United StatesReported employees: 11-50 | United States | 11-50 | Exact match | 37 contacts → |
“At Kriezelman Burton & Associates, LLC, we are committed to providing aggressive and professional legal representation and counsel in all areas of immigration and nationality law.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | LAW Offices Of Rajiv S. Khanna, PCimmigration.com HQ: Arlington, VA, United StatesReported employees: 11-50 | Arlington, VA, United States | 11-50 | Exact match | 37 contacts → |
“We practice US immigration law with focus on employment-based immigration, complex immigration issues and related federal litigation.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 977 company matches
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O1 visa lawyers: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
968 records in the displayed employee bands.
9 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 977 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
O1 visa lawyers by location
5 lists · largest firstEvery O1 visa lawyers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Cities
Questions about this company list
What does Exact match mean for o1 visa lawyers?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many o1 visa lawyers did RevenueBase find worldwide?
The saved snapshot records 977 matching company records, 8,701 tracked contacts and 3,663 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 o1 visa lawyers worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/o1-visa-lawyers.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗